chore: add affiliation and joiningReason to email

amber/src/main/scala/org/apache/texera/web/resource/EmailTemplate.scala

@@ -44,6 +44,8 @@ object EmailTemplate {
   def userRegistrationNotification(
       receiverEmail: String,
       userEmail: Option[String],
+      affiliation: Option[String],
+      reason: Option[String],
       toAdmin: Boolean
   ): EmailMessage = {
     if (toAdmin) {
@@ -55,9 +57,11 @@ object EmailTemplate {
            |Hello Admin,
            |
            |A new user has attempted to log in or register, but their account is not yet approved.
-           |Please review the account request for the following email:
+           |Please review the account request for the following user:
            |
-           |${userEmail.getOrElse("Unknown")}
+           |Email: ${userEmail.getOrElse("Unknown")}
+           |Affiliation: ${affiliation.filter(_.trim.nonEmpty).getOrElse("Not provided")}
+           |Reason: ${reason.filter(_.trim.nonEmpty).getOrElse("Not provided")}
            |
            |Visit the admin panel at: $deployment
            |

amber/src/main/scala/org/apache/texera/web/resource/GmailResource.scala

@@ -35,7 +35,13 @@ import javax.mail.{Message, PasswordAuthentication, Session, Transport}
 import javax.ws.rs._
 import scala.util.{Failure, Success, Try}
 
-case class EmailMessage(receiver: String, subject: String, content: String)
+case class EmailMessage(
+    receiver: String,
+    subject: String,
+    content: String,
+    affiliation: Option[String] = None,
+    reason: Option[String] = None
+)
 
 object GmailResource {
   private def context =
@@ -169,6 +175,8 @@ class GmailResource {
           userRegistrationNotification(
             receiverEmail = adminEmail,
             userEmail = Some(emailMessage.receiver),
+            affiliation = emailMessage.affiliation,
+            reason = emailMessage.reason,
             toAdmin = true
           ),
           adminEmail
@@ -184,6 +192,8 @@ class GmailResource {
         userRegistrationNotification(
           receiverEmail = emailMessage.receiver,
           userEmail = None,
+          affiliation = None,
+          reason = None,
           toAdmin = false
         ),
         emailMessage.receiver

frontend/src/app/common/service/gmail/gmail.service.ts

@@ -48,15 +48,17 @@ export class GmailService {
       });
   }
 
-  public notifyUnauthorizedLogin(userEmail: string): void {
-    this.http.post(`${AppSettings.getApiEndpoint()}/gmail/notify-unauthorized`, { receiver: userEmail }).subscribe({
-      next: () => this.notificationService.success("An admin has been notified about your account request."),
-      error: (error: unknown) => {
-        if (error instanceof HttpErrorResponse) {
-          this.notificationService.error("Failed to notify admin about your account request.");
-          console.error("Notify error:", error.error);
-        }
-      },
-    });
+  public notifyUnauthorizedLogin(userEmail: string, affiliation: string, reason: string): void {
+    this.http
+      .post(`${AppSettings.getApiEndpoint()}/gmail/notify-unauthorized`, { receiver: userEmail, affiliation, reason })
+      .subscribe({
+        next: () => this.notificationService.success("An admin has been notified about your account request."),
+        error: (error: unknown) => {
+          if (error instanceof HttpErrorResponse) {
+            this.notificationService.error("Failed to notify admin about your account request.");
+            console.error("Notify error:", error.error);
+          }
+        },
+      });
   }
 }

frontend/src/app/common/service/user/auth.service.ts

@@ -248,7 +248,7 @@ export class AuthService {
 
         try {
           await firstValueFrom(this.submitRegistration(uid, affiliation, reason));
-          this.gmailService.notifyUnauthorizedLogin(email);
+          this.gmailService.notifyUnauthorizedLogin(email, affiliation, reason);
         } finally {
           this.logout();
         }